# Luma vs TDAH'elp

The clearest difference is in-app purchases: TDAH'elp at none against Luma's 2. TDAH'elp also leads on iOS requirement (13.0 vs 15.0). Luma's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Luma sells 2 in-app purchases, starting at $3.99 per 7 days. TDAH'elp asks for nothing beyond the download.

Luma ships an update weekly, TDAH'elp every 6 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Luma | TDAH'elp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Size | 52 MB | 78 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marc Servais](https://appshunter.io/developer/1700517108) | [Marie Guehl](https://appshunter.io/developer/1845695671) |

## What reviewers say

### Luma

[App page](https://appshunter.io/ios/app/luma-adhd-body-doubling-timer/id6753901532)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $3.99 | per 7 days |
| Yearly plan | $24.99 | per year |


### TDAH'elp

[App page](https://appshunter.io/ios/app/tdahelp/id6755381061)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Luma free?

Luma is free to download, with in-app purchases available.

### Is TDAH'elp free?

TDAH'elp is free to download, with no in-app purchases.

### Do Luma or TDAH'elp have ads?

Neither Luma nor TDAH'elp shows ads.

### Which is updated more often, Luma or TDAH'elp?

Luma ships an update weekly, and TDAH'elp every 6 months. Most recently, Luma was updated on October 24, 2026 and TDAH'elp on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*